*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

#app {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  padding: 0 10vw;
}

.video-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

.container .title {
  margin-top: 20vh;
  color: #fff;
  text-transform: uppercase;
  text-align: center;
  font-size: 4em;
  mix-blend-mode: difference;
  user-select: none;
}

.container .content {
  color: #d79090;
  font-size: 2em;
  text-align: center;
  margin-top: 40px;
  mix-blend-mode: difference;
  user-select: none;
}

.container .content span {
  background: linear-gradient(to right, #fff, #fff) no-repeat;
  background-position: right bottom;
  background-size: 0 2px;
  transition: background-size 0.6s;
}

.container .content span:hover {
  background-position: left bottom;
  background-size: 100% 2px;
}

dialog {
  width: 300px;
  padding: 20px;
  background-color: #fff;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
  text-align: center;
  position: relative;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -100%);
}
/* 标题样式 */
dialog h2 {
  margin-top: 0;
  font-size: 1.5em;
  color: #333;
}

/* 内容样式 */
dialog p {
  margin: 15px 0;
  font-size: 14px;
  color: #666;
}

/* 按钮样式 */
dialog button {
  padding: 8px 16px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  outline: none;
}

/* 按钮悬停样式 */
dialog button:hover {
  background-color: #0056b3;
}
